# Estimating student ability and problem difficulty using item response theory (IRT) and TrueSkill

> Research article (Information Discovery and Delivery, 2019) · cited 18× · AI/ML

**Wikidata**: [openalex:W2911942865](https://www.wikidata.org/wiki/openalex:W2911942865)  
**Source**: https://4ort.xyz/entity/estimating-student-ability-and-problem-difficulty-using-item-response-theory-irt-and-trueskill